/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.activiti.explorer.ui.management.identity;
import java.util.Arrays;
import org.activiti.engine.IdentityService;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.identity.Group;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.I18nManager;
import org.activiti.explorer.Messages;
import org.activiti.explorer.ui.custom.PopupWindow;
import com.vaadin.data.Validator;
import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.event.Action;
import com.vaadin.event.Action.Handler;
import com.vaadin.event.ShortcutAction;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Form;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.TextField;
import com.vaadin.ui.themes.Reindeer;
/**
* Popup window to create a new group.
*
* @author Joram Barrez
*/
public class NewGroupPopupWindow extends PopupWindow {
private static final long serialVersionUID = 1L;
protected transient IdentityService identityService;
protected I18nManager i18nManager;
protected Form form;
public NewGroupPopupWindow() {
this.identityService = ProcessEngines.getDefaultProcessEngine().getIdentityService();
this.i18nManager = ExplorerApp.get().getI18nManager();
setCaption(i18nManager.getMessage(Messages.GROUP_CREATE));
setModal(true);
center();
setResizable(false);
setWidth(265, UNITS_PIXELS);
setHeight(240, UNITS_PIXELS);
addStyleName(Reindeer.WINDOW_LIGHT);
initEnterKeyListener();
initForm();
}
protected void initEnterKeyListener() {
addActionHandler(new Handler() {
public void handleAction(Action action, Object sender, Object target) {
handleFormSubmit();
}
public Action[] getActions(Object target, Object sender) {
return new Action[] {new ShortcutAction("enter", ShortcutAction.KeyCode.ENTER, null)};
}
});
}
protected void initForm() {
form = new Form();
form.setValidationVisibleOnCommit(true);
form.setImmediate(true);
addComponent(form);
initInputFields();
initCreateButton();
}
protected void initInputFields() {
// Input fields
form.addField("id", new TextField(i18nManager.getMessage(Messages.GROUP_ID)));
// Set id field to required
form.getField("id").setRequired(true);
form.getField("id").setRequiredError(i18nManager.getMessage(Messages.GROUP_ID_REQUIRED));
form.getField("id").focus();
// Set id field to be unique
form.getField("id").addValidator(new Validator() {
public void validate(Object value) throws InvalidValueException {
if (!isValid(value)) {
throw new InvalidValueException(i18nManager.getMessage(Messages.GROUP_ID_UNIQUE));
}
}
public boolean isValid(Object value) {
if (value != null) {
return identityService.createGroupQuery().groupId(value.toString()).singleResult() == null;
}
return false;
}
});
form.addField("name", new TextField(i18nManager.getMessage(Messages.GROUP_NAME)));
ComboBox typeComboBox = new ComboBox(i18nManager.getMessage(Messages.GROUP_TYPE),
Arrays.asList("assignment", "security-role"));
typeComboBox.select("assignment");
form.addField("type", typeComboBox);
}
protected void initCreateButton() {
HorizontalLayout buttonLayout = new HorizontalLayout();
buttonLayout.setWidth(100, UNITS_PERCENTAGE);
form.getFooter().setWidth(100, UNITS_PERCENTAGE);
form.getFooter().addComponent(buttonLayout);
Button createButton = new Button(i18nManager.getMessage(Messages.GROUP_CREATE));
buttonLayout.addComponent(createButton);
buttonLayout.setComponentAlignment(createButton, Alignment.BOTTOM_RIGHT);
createButton.addListener(new ClickListener() {
public void buttonClick(ClickEvent event) {
handleFormSubmit();
}
});
}
protected void handleFormSubmit() {
try {
// create user
form.commit(); // will throw exception in case validation is false
Group group = createGroup();
// close popup and navigate to new group
close();
ExplorerApp.get().getViewManager().showGroupPage(group.getId());
} catch (InvalidValueException e) {
// Do nothing: the Form component will render the errormsgs automatically
setHeight(270, UNITS_PIXELS);
}
}
protected Group createGroup() {
Group group = identityService.newGroup(form.getField("id").getValue().toString());
group.setName(form.getField("name").getValue().toString());
group.setType(form.getField("type").getValue().toString());
identityService.saveGroup(group);
return group;
}
}